Pre-Course Quiz

AOUK&I Pre-course Quiz

Question 1/12
What cells make up a bone?

Answer

Osteoblasts,  Osteoclasts, Osteocytes and Osteoprogenitor cells

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Question 2/12
What are the tissues surrounding the bone?

Answer

Periosteum and Bone Marrow

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Question 3/12
The blood supply of bone is how much of the cardiac output?

Answer

5-10%

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Question 4/12
What are the 2 types of bone?

Answer

Lamellar - organised, and Woven - disorganised

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Question 5/12
How much of our skeleton is Cortical?

Answer

80%

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Question 6/12
Is cancellous bone more elastic than Cortical Bone?

Answer

Yes

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Question 7/12
How do children’s bones differ from adults?

Answer

They bend more easily

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Question 8/12
What are the 3 stages of fracture repair?

Answer

Inflammation, Repair and Remodelling

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Question 9/12
What is the difference between a cortical and cancellous screw?

Answer

Thread narrower and pitch smaller in cortical

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Question 10/12
The effective thread depth is . . .

Answer

. . . the difference between the outside and core diameter

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Question 11/12
The screw pitch is . . .

Answer

. . . the distance travelled by one 360 degree turn of the screw

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Question 12/12
What are screws used for?

Answer

To produce intrafragmentary compression, to attach implants to bone and to hold 2 bones in correct relationship.

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The quiz is complete

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Extra Articular Fractures in the Hand

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Bone Anatomy & Modes of Healing

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Screws Form & Function

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